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Bengt O. Frieberg

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  • La Habra Heights, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of forming a joined pair of wedge-action lock washers
    • Patent number 4,538,313
    • Issue date Sep 3, 1985
    • Nobex AB
    • Bengt O. Frieberg
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Reversible lock washer
    • Patent number 4,377,361
    • Issue date Mar 22, 1983
    • Bengt O. Frieberg
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Locking device for threaded fasteners
    • Patent number 4,134,438
    • Issue date Jan 16, 1979
    • Bengt O. Frieberg
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...